734021290 has 16 divisors (see below), whose sum is σ = 1337158368. Its totient is φ = 290070736.

The previous prime is 734021273. The next prime is 734021303. The reversal of 734021290 is 92120437.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441352 + ... + 443011.

It is an arithmetic number, because the mean of its divisors is an integer number (83572398).

Almost surely, 2^734021290 is an apocalyptic number.

734021290 is a deficient number, since it is larger than the sum of its proper divisors (603137078).

734021290 is a wasteful number, since it uses less digits than its factorization.

734021290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884453.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 734021290 is about 27092.8272795587. The cubic root of 734021290 is about 902.0616482202.

The spelling of 734021290 in words is "seven hundred thirty-four million, twenty-one thousand, two hundred ninety".